cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A309567 a(1) = 4, a(2) = 2, a(3) = 5, a(4) = 3, a(5) = 1; a(n) = a(n-a(n-1)) + a(n-a(n-4)) for n > 5.

Table of values

n a(n)
1 4
2 2
3 5
4 3
5 1
6 4
7 7
8 5
9 8
10 6
11 4
12 12
13 5
14 13
15 6
16 9
17 17
18 5
19 18
20 6
21 9
22 22
23 5
24 23
25 11
26 9
27 27
28 5
29 28
30 11
31 9
32 32
33 5
34 33
35 11
36 14
37 37
38 5
39 38
40 11
41 14
42 42
43 5
44 43
45 11
46 14
47 47
48 5
49 48
50 16
51 14
52 52
53 5
54 53
55 16
56 14
57 57
58 5
59 58
60 16
61 14
62 62
63 5
64 63
65 16
66 19
67 67
68 5
69 68
70 16
71 19
72 72
73 5
74 73
75 16
76 19
77 77
78 5
79 78
80 16
81 19
82 82
83 5
84 83
85 21
86 19
87 87
88 5

List of values

[4, 2, 5, 3, 1, 4, 7, 5, 8, 6, 4, 12, 5, 13, 6, 9, 17, 5, 18, 6, 9, 22, 5, 23, 11, 9, 27, 5, 28, 11, 9, 32, 5, 33, 11, 14, 37, 5, 38, 11, 14, 42, 5, 43, 11, 14, 47, 5, 48, 16, 14, 52, 5, 53, 16, 14, 57, 5, 58, 16, 14, 62, 5, 63, 16, 19, 67, 5, 68, 16, 19, 72, 5, 73, 16, 19, 77, 5, 78, 16, 19, 82, 5, 83, 21, 19, 87, 5]